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Measuring point accurate positioning method of generated involute tooth profile measuring apparatus

A technology of involute teeth and measuring points, which is applied in the direction of measuring devices, machine gear/transmission mechanism testing, instruments, etc., can solve the problems of low precision and achieve the effect of high precision

Inactive Publication Date: 2009-12-30
DALIAN UNIV OF TECH
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Problems solved by technology

[0003] In order to overcome the problem of low accuracy of the position adjustment method of the measuring point in the existing involute tooth profile measuring instrument, the present invention provides a method for accurately positioning the measuring point of the involute tooth profile measuring instrument by the generating method. Angle comparison method and measurement point deviation test value compensation method are used in precise adjustment of measurement point position in generating method measuring instrument

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  • Measuring point accurate positioning method of generated involute tooth profile measuring apparatus
  • Measuring point accurate positioning method of generated involute tooth profile measuring apparatus
  • Measuring point accurate positioning method of generated involute tooth profile measuring apparatus

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Embodiment Construction

[0013] The specific implementation manners of this description will be described in detail below in conjunction with the technical solutions and accompanying drawings.

[0014] Taking the adjustment of the measuring point position of the double-disk involute measuring instrument as an example, it is explained that the precise positioning of the measuring point position is made by using the tooth profile angle comparison method and the measuring point deviation test value compensation method. Proceed as follows:

[0015] (1) tooth profile angle comparison method to adjust the position of the measuring point

[0016] Take the measurement of m=4, z=30, α=20°involute cylindrical gear tooth profile deviation as an example.

[0017] Firstly, through microscope observation, adjust the measuring point to be lower than the plane of the guide ruler of the instrument, and then measure the deviation of the above-mentioned gear tooth profile. In the measurement curve, take the tooth profi...

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Abstract

The invention discloses a measuring point accurate positioning method of a generated involute tooth profile measuring apparatus and belongs to the field of high-precision gear measurement by testing and measuring technology. A tooth profile angle comparison method compares tooth profile deviation curves measured by a measuring head at different positions to determine the position of a measuring point corresponding to a measured curve having the largest tooth profile angle as an optical position. A measuring point deviation value test compensation method tests values of the deviation of the position of a measuring point one by one and compensates for involute tooth profile deviation measured when the measuring point is at two positions having a known height difference by analyzing the influences of measuring point deviation on tooth profile deviation measurement to determine a value equal to the value of compensated tooth profile deviation as the deviation of the measuring point at an initial position. The measuring point accurate positioning method has high accuracy and can be widely used for accurate adjustment of the positions of measuring points in other high-precision generated involute tooth profile measuring apparatuses.

Description

technical field [0001] The invention belongs to the field of precision gear measurement in the test and measurement technology, and relates to a precise positioning method of a measuring point of an involute tooth profile measuring instrument, which is used for precise positioning of the measuring point of an involute tooth profile measuring instrument. Background technique [0002] The generating method involute tooth profile measuring instrument is the main instrument for measuring the involute tooth profile deviation at present, and can be divided into mechanical generating method and electronic generating method measuring instrument. The measurement principle of the generating method involute tooth profile measuring instrument is to compare the measured involute tooth profile with the standard involute track reproduced by the instrument to obtain the tooth profile deviation. In order to ensure the accuracy of the standard involute trajectory generated by the instrument, ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/02G01B21/20
Inventor 王立鼎娄志峰马勇王晓东
Owner DALIAN UNIV OF TECH
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